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-rw-r--r--dom/base/nsContentUtils.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/dom/base/nsContentUtils.h b/dom/base/nsContentUtils.h
index 06a7b5ded..96c920394 100644
--- a/dom/base/nsContentUtils.h
+++ b/dom/base/nsContentUtils.h
@@ -2723,6 +2723,11 @@ public:
static void SetupCustomElement(Element* aElement,
const nsAString* aTypeExtension = nullptr);
+ static mozilla::dom::CustomElementDefinition*
+ GetElementDefinitionIfObservingAttr(Element* aCustomElement,
+ nsIAtom* aExtensionType,
+ nsIAtom* aAttrName);
+
static void EnqueueLifecycleCallback(nsIDocument* aDoc,
nsIDocument::ElementCallbackType aType,
Element* aCustomElement,